Marking machine



Aug- 7, 1934l w. E. NAUGLER 1,968,900`

MARKING MACHINE Filed OGL 22, 1931 ,SW Mum characters upon work pieces.

Patented Aug. 7, 1934 UNITD STATES PATENT @Fries MARKING lWACHINE Walter Naugler, Beverly, Mass., assignox" to United Shoe Machinery Corporation, Paterson,

17 Claims.

This invention relates `to marking machines and more particularly to marking machines designed to print a row of characters on a work piece, and so designed that the marking elements P5 may be rapidly interchanged between `printing operations. v

The use of markingmachines is common Vin factories for manufacturing boots and shoes and in many other places for imprinting rows of In machines of the type disclosed in U. S. Letters Patent No. '960,029, granted May 31, 1910, on application of FrankW. Merrick, the operator turns a setting `wheelwith one hand, while the other hand holds 15 a retaining latch out of l,engagement with the type' carrier, whichhas to be rotated to change the setting of a marking element. Such a constructionJ provides for a `rapid interchange of marking elements between printing operations A and insures that themarking elements will be properly positioned. It is sometimes desirable to `change the setting of the marking elements and at the same timemake other adjustments. Adjustments can be made on machines of the type above referred to while the operator is changing the `setting of the" marking elements. In order to insure that the operator will make all the Vnecessary adjustments it is desirable that the operator perform the setting or adjusting operation by the use of onlyone hand.

In view of the foregoing, one object of this invention is to provide an improved mechanism for setting the printing or marking elements of a machine of the type under consideration so oo nstructed and arranged that the operator may change thesetting-oi'` printing or marking elements by the use of one hand while retaining the j advantages of the prior construction.

Withl this object in View, o ne feature of the in- 40 vention contemplates the use of a marking machine having a'type carrier, and means associated with the `carrier for moving the carrier to bring 4a `selected marking element into marking position,said means including a single reciprocatory member having means thereon to engage the type carrier to move the carrier in either one of two directions, whereby `the use` of only one hand is required to changel the setting of the marking element. In the illustrated embodiment of` the invention the means for electing the adjustment of a marking element includes a slide and pawls carried by the slide whereby reciprocatory movement of the slide imparts a step-by-step rotary `movement to the type wheel until a Selected (Cl. IOL-110) ff marking element is brought into marking'position. Y 1

Other features and objects of the invention will become apparent from the following description taken in connection with the accompanying draw- Ig@ ing, in which Fig. 1 is a perspective View of a marking head showing one embodiment of the invention;

Fig. 2 is a transverse sectional view showing in detail the type wheel setting or adjusting mechamsm; 'y

Fig. 3 is a sectional `view taken .along-the `line III-III of Fig. 2; and Y i. i w i Fig. 4 is an enlarged detail view of a portion of the `mechanism for maintaining the type wheels i7@ in adjusted position.

As will be understood from .the inspection of the machine disclosed in the above-mentioned Letters Patent, the marking head shown in Fig. lis secured: to a vertically reciprocating arm which is T connected to a 'suitable operating mechanism by means of a lever pivoted to the machine frame. The marking head with selected'characters in marking position is brought into contact with a work piece supported on a'suitable worksupport. T30 The above-mentioned elements are described in detail in said Letters Patent to which reference may be had fora more complete description oi the operation Vand construction of thermachine, it being understood, however, that the marking ""35 headabout to bedescribed may be applied to other types of marking machines if 4for any reason it is considered desirable'to do so. f

The `marking head illustrating oneV embodiment of the invention is secured to the operating fg() mechanismof the machine above referred to by means of cap screws passing through apertures 10 in an upwardly extending lange'12 which forms a part' of the support in which the marking head is mounted. Thesuppor-t is provided ."9"5 Witha pair of downwardly extending side pieces V14 and 16 which are providedattheir lower ends with holes to receive a bushing 18 which is threaded at one end (as shown in Figf) whereby the bushing may be maintained in its proper position in the support. A type wheel sleeve 20 isfcarried by the' bushing and is held in a predetermined position by the bushing in a manner which will later be described. Y

The-type wheel sleeve 20 is provided with slots '105 22 which extendradially in a direction substantially at right angles to thelongitudinal axis of the sleeve.,` Springs 24 are received in theseslots and bear `against type wheellocking disks 26 which fit into a longitudinal slot 30 in the sleeve 4110 20. Type carriers or wheels 32 are provided with cooperating slots or openings 34. These openings 34 are so located, as shown in Fig. 2, with respect to marking elements 36 on the type wheels that when the slot 30 in the sleeve 18 and a slot 34 are in alinement one of the type wheel locking disks is urged into the slot 34 by the spring 24 thereby locking the type wheel in marking position. In other words, when the disk 26 is forced out of the groove or slot 30 into one of the cooperating slots or openings 34, the lowermost or diametrically opposed marking element is located in proper relation to a work support (not shown) and is maintained in marking position by the locking action of the locking disk and the slots. The spring 24 does not exert any great pressure against the disk and consequently the setting of the type wheel is not interfered with.

The type wheels 32 are separated from each other by means of spacing washers 38. These Washers are each provided with a projection 40 which fits into the slot 30 in the type wheel sleeve. The washers are thus prevented from rotating when any one of the type wheels is rotated to change the setting of a marking element and also the rotation of one type wheel does not affect the setting of the other wheels. As shown in Fig. 3 the type wheels are separated from each other by these washers and a spacing washer is placed outside of the end type wheels. The type wheel sleeve 20 is provided at .one end with a flange 42 which bears against the side piece 14 on one side and against a spacing washer on the other side. The other end of the sleeve is provided with a washer 44 which bears against the endmost spacing washer and against the end of the sleeve 20. The bushing 18 has an enlarged end portion forming a shoulder adjacent to the threads above referred to, which shoulder engages another washer 46. When the marking head has been assembled, the sleeve with the washers and type wheels thereon is placed between the side pieces 14 and 16. The bushing 18 is then pushed through the holes in the side pieces and through the sleeve. The bushing 18 is then screwed into place thereby bringing the shoulder 47 against the washers and clamping the sleeve into a fixed position with respect to the side pieces 14 and 16. It is apparent, since neither the side piece 14 nor the sleeve 20 is provided with any projections on their engaging surfaces, that the sleeve 20 may be adjusted so that the lowermost type elements are parallel to a work support when type wheels are maintained in position on the sleeve by the locking disks 26 entering a groove or slot 34 in each of the type wheels.

The mechanism for adjusting or changing the setting of the type wheels 32 will now be described. A number of pawl operating slides 48 are mounted on a slide bearing plate 50 which in turn is mounted in grooves in the side pieces 14 and 16 and is held in position by means of set screws 52 which are locked in clamping position by lock nuts 54. Theplate 50 may be adjusted forwardly or rearwardly before the set screws 52 are screwed into clamping position to permit the proper location of the plate with respect to the type head.

Since the pawl bearing slides are of substantially identical construction, only one of the slides will be described. As shown most clearly in Fig. 2 each slide 48 is provided with a slot or recess 56 into which is received the bearing plate 50. The slot 56 is made longer than the bearing plate for reasons which will soon become apparent. The slide 48 is provided at one end with a iinger piece 58. In order that there be enough space between the finger pieces to enable the operator readily to grasp any one of the finger pieces, they are offset from each other. That is to say, the end of the slide may be straight or bent upwardly or downwardly and the slide assembled so that the nger pieces will be offset from each other. The slide 48 is also provided with a pair of downwardly extending lugs 60 and 62 to which are pivoted pawls 64 and 66 respectively. The pawls 64 and G6 are urged toward and into contact with the type wheel 32 but are limited in their movement in that direction by stops 68 and '76 formed on the pawls contacting with the lugs 60 and 62.

Spacing elements '72 are placed between each of the pawl bearing slides 48. Ihese spacing elements are provided with slots into which the bearing plate 50 closely fits thereby preventing any movement of the spacing elements. The function of these spacing elements 72 is the same as that of the spacing washers 38. In other words movement of one of the slides 48 does not move the adjoining slides. Each of the slides is so located on the plate 50 that it is in substantially the same plane as its cooperating type wheel. The slides 48 and the spacing elements 72 are assembled on the plate 50 and are held in proper position by means of a clamp '74 which embraces the plate 50.

The operation of the setting or adjusting mechanisni will now be described. When it is desired to change the setting of a marking element, the operator takes hold of the proper nger piece 58 which is attA cned to the operating slide 48 and moves the slide in the direction indicated by the arrow in Fig. 2. The pawl 64 is in engagement with one of the marking elements 36 and the type wheel 32 is rotated in a clockwise direction until the next marking element is in marking position. When the type wheel is rotated, the locking disk 26 is forced out of the recess 34 in the type wheel 32 and when the next marking element is in marking position, the disk is forced upwardly into the next slot 34 thus locking the type wheel 32 in its adjusted position. On the return movement of the slide 48, the pawl 64 rides over the top of the marking element and the pawl 66 is held out of the way of the marking element by means of the stop 70. The operations described above may be repeated until the selected marking element is brought into marking position. In some cases, however, it may be preferable to rotate the type wheel in a counterclockwise direction because rotation in 'that direction will require a less number of strokes or movements to bring the desired marking element into marking position. In this case the pawl 66 is effective, upon movement of the slide 48 in the direction opposite to that indicated in Fig. 2, to rotate the type wheel. It is apparent that during this movement the pawl 64 will be ineffective and that during the return movement of the slide the pawl 64 will be held away from the marking elements by the stop 68 and that the pawl 66 will ride over the marking element.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

l. In a marking machine, type carrier having marking elements thereon, and means associated with said carrier for moving a selected marking element into marking position, said means including a reciprocatory member having means fri-an fio wheel having `marking*elements"thereo and means associated with'lsaidwheeljfor rotating fthe wheel to f'mo've Ta selected i markingfelement into markingposition, said means l`includingv 'a single `slid'able member having pawls mounted thereon engaginglthe type wheel `for Y- rotating 'thejlwheel -fstep-by-is'tp in eitherioneff ltwo"direct-ions; 'lf '3.511,1` amarking machine, a pluralityroftype Ywheel'srconstructed and" arranged 'selectively to move ai marking" element fon? a'n'y- 'of said wheels into" marking fposition; independent devices Scooperating witheacl oisaid'wheels for changing the position of the marking elements, and connections between said devices and said wheels comprising a plurality of pawls constructed and arranged to transmit a predetermined movement of one of said devices to said wheels in one of two directions to cause a selected marking element to be moved into marking position.

4. In a marking machine, a type wheel having marking elements thereon, a slide associated with the type wheel, and pawls connected to the slide for engaging the type wheel, whereby a movement of the slide in one direction will impart a movement to the type wheel to bring a selected marking element into marking position.

5. In a marking machine, a rotatable type wheel, said type wheel being constructed and arranged to be maintained in adjusted position with a marking element on the type wheel in marking position, and means associated with the type wheel for moving a selected marking element into marking position, said means including a slide, and pawls carried by the slide whereby movement of the slide imparts a step-by-step rotary movement to the type wheel until a selected marking element is brought into marking position.

6. In a marking machine, a plurality of rotatable type wheels having marking elements thereon, one of the marking elements on each type wheel being maintained in marking position when the type wheels are in adjusted position, a plate, a slide mounted on said plate, and means on the slide constructed and arranged when the slide is moved in either one of two directions to impart a rotary movement to its cooperating type wheel to move a marking element into marking position.

7. In a marking machine, a plurality of type wheels having marking elements thereon and constructed and arranged to provide a line of marking elements in marking position, spacing devices between each of said type wheels to prevent movement of the adjacent type Wheels when one wheel is being rotated to bring a selected marking element into marking position, a plate, and a plurality of slides mounted on said plate, said slides having means thereon for engaging a corresponding type wheel whereby movement of one of the slides in either one of two directions is imparted to the cooperating type wheel to move the selected marking element into marking position.

8. In a marking machine, a plurality of rotatable type carriers, each of said carriers having marking elements thereon, and means for rotating said carriers, said means including a pair of oppositely disposed members engaging each of said carriers and constructed and arranged to rotate a selected type carrier in either one of two directions to bring a selected marking element into marking position.

i 9 1Infa marking machine,Y a type' carrier having marking i `elements .thereo`n, ani adjusting device fflocated inthe `plane of th'c'arri'er'iand adapted Jto be operated by the use of one hand, and a pair oi oppositely disposed-pawls connected to the ad- `justin'g'device and engaging' 'the type carrier, one of said *pawls being constructed and arranged Yupon movement ofthe adjusting device in one-directionto change the position ofthe marking eleme'n't on `saidfcarri'erto bring a selected marking repentina-marking position; f-

i* 11p. In a marking machine, `a type'c'arrierhav- Jing marking elements thereon, means Vcooperating with-said carrier whereby one of said marking Velementson the carrier is maintained in marking position, an adju-sting'A device, and connections including opposed pawls between the type carrier and the adjusting device constructed and arranged upon movement of the adjusting device to change the position of the marking elements on the carrier whereby a selected marking element is moved into marking position by the use of one hand only of the operator.

11. In a marking machine, a type carrier, marking elements on said carrier, opposed members located substantially in contact with said carrier, and means connected to said members for moving one of said members into engagement with the carrier and for moving the other member out of engagement with the carrier whereby the carrier may be moved to bring a selected marking element into marking position.

12. In a Vmarking machine, a type carrier, marking elements on said carrier, opposed pawls for engaging-said carrier, and means connected to said pawls for moving one of the pawls into engagement with the carrier and for moving the other pawl out of engagement with the carrier, whereby the carrier may be moved to bring a selected marking element into marking position.

13. In a marking machine, a type carrier,

raised marking elements on said carrier, opposed pawls located substantially in contact with adjacent marking elements on said carrier, and means connected to said pawls for moving one of the pawls into engagement with the carrier and for moving the other pawl out of engagement with the carrier whereby the carrier may be moved to bring a selected marking element into marking position.

14. In a marking machine, a plurality of type carriers, each of said carriers having marking elements thereon, means cooperating with said carriers whereby one of said marking elements on each of the carriers is maintained in marking position, a series of adjusting devices located in the planes of the carriers, and pawls connected to. each of the adjusting devices and engaging the type carriers, one pawl on each adjusting device being constructed and arranged upon movement of the adjusting devices in either direction to engage a carrier to change the position of the marking elements whereby selected marking elements are moved into marking position.

15. In a marking machine, a type wheel having marking elements thereon, one of the marking elements on the wheel being maintained in marking position when the type wheel is in adjusted position, a disk-like member entering a recess in the type wheel to maintain the type wheel in adjusted position, a plate, a slide mounted on said plate, and means on the slide constructed and arranged when the slide is moved to impart a rotary movement to the type wheel 1 to move a selected element into marking position.

16. In a marking machine, en -plurality of type Wheels having vmarking elements thereon and constructed and arranged :to lprovide ka line of marking elements in marking position, spacing devices between each of the type wheels to prevent movement of the adjacent type wheelsrwhen one type wheel is being rotated to move a selected marking element into marking position, a plate, a plurality -of slides mounted on said plate, said slides having means thereon engaging a type Wheel whereby movement :of one ofthe slides rotates a type wheel to move a selected marking element into marking position, and means entering a slot in each lof the type wheelsrto maintain the type wheel in adjusted position.

17. I n a, marking machine, a plurality of type Wheels .having marking elements thereon and :constructed yand arranged to provide a line of ymarking elements in marking position, yspacing said :slides having means thereon engaging a type Wheelers/hereby movement -of one of the slides rotates a type 'wheel to move .a selected marking element into marking position, and a disk-like member entering a slot in each type Wheel to maintain the type Wheel in adjusted position.

WALTER NAUGLER.

loo 

